public class Main {
    public static void main(String[] args) {
        System.out.println("年轻人倒头就睡");
        long SLEEP_TIME = 60 * 60 * 1000;
        try {
            Thread.sleep(SLEEP_TIME);
            System.out.println("睡醒了");
        } catch (InterruptedException e) {
            e.printStackTrace();
        }
    }
}
